Electric trolley



FIG. 1 is a front, top, left perspective view for an electric trolley, showing the new design;

FIG. 2 is a top, bottom perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is an enlarged left side view thereof; and,

FIG. 7 is an enlarged right side view thereof. 

CLAIM The ornamental design for an electric trolley, as shown and described. 